kdatenavigator.h

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/*
  This file is part of KOrganizer.

  Copyright (c) 2001,2003 Cornelius Schumacher <schumacher@kde.org>
  Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

  As a special exception, permission is given to link this program
  with any edition of Qt, and distribute the resulting executable,
  without including the source code for Qt in the source distribution.
*/

#ifndef KORG_KDATENAVIGATOR_H
#define KORG_KDATENAVIGATOR_H

#include <QFrame>

#include <KCalCore/IncidenceBase> //for DateList typedef
#include <Akonadi/Calendar/ETMCalendar>

class KODayMatrix;
class NavigatorBar;

namespace Akonadi {
  class Item;
}

class QLabel;

class KDateNavigator: public QFrame
{
  Q_OBJECT
  public:
    explicit KDateNavigator( QWidget *parent = 0 );
    ~KDateNavigator();

    void setCalendar( const Akonadi::ETMCalendar::Ptr & );

    void setBaseDate( const QDate & );

    KCalCore::DateList selectedDates() const
    {
      return mSelectedDates;
    }

    QSizePolicy sizePolicy () const;

    NavigatorBar *navigatorBar() const
    {
      return mNavigatorBar;
    }

    QDate startDate() const;
    QDate endDate() const;
    void setHighlightMode( bool highlightEvents,
                           bool highlightTodos,
                           bool highlightJournals ) const;

    QDate month() const;

  public slots:
    void selectDates( const KCalCore::DateList & );
    void selectPreviousMonth();
    void selectNextMonth();
    void updateView();
    void updateConfig();
    void updateDayMatrix();
    void updateToday();
    void setUpdateNeeded();

  signals:
    void datesSelected( const KCalCore::DateList & );
    void incidenceDropped( const Akonadi::Item &, const QDate & );
    void incidenceDroppedMove( const Akonadi::Item &, const QDate & );
    void newEventSignal( const QDate & );
    void newTodoSignal( const QDate & );
    void newJournalSignal( const QDate & );
    void weekClicked( const QDate &week, const QDate &month );

    void goPrevious();
    void goNext();
    void nextMonthClicked();
    void prevMonthClicked();
    void nextYearClicked();
    void prevYearClicked();

    void monthSelected( int month );
    void yearSelected( int year );

  protected:
    void updateDates();

    void wheelEvent( QWheelEvent * );

    bool eventFilter( QObject *, QEvent * );

    void setShowWeekNums( bool enabled );

  private:
    void selectMonthHelper( int monthDifference );
    NavigatorBar *mNavigatorBar;

    QLabel *mHeadings[ 7 ];
    QLabel *mWeeknos[ 7 ];

    KODayMatrix *mDayMatrix;

    KCalCore::DateList mSelectedDates;
    QDate mBaseDate;
    Akonadi::ETMCalendar::Ptr mCalendar;

    // Disabling copy constructor and assignment operator
    KDateNavigator( const KDateNavigator & );
    KDateNavigator &operator=( const KDateNavigator & );
};

#endif